1253738303 has 16 divisors (see below), whose sum is σ = 1376415936. Its totient is φ = 1138325760.

The previous prime is 1253738273. The next prime is 1253738309. The reversal of 1253738303 is 3038373521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253738303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253738309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16925 + ... + 52857.

It is an arithmetic number, because the mean of its divisors is an integer number (86025996).

Almost surely, 2^1253738303 is an apocalyptic number.

1253738303 is a deficient number, since it is larger than the sum of its proper divisors (122677633).

1253738303 is a wasteful number, since it uses less digits than its factorization.

1253738303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36034.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 1253738303 is about 35408.1671793387. The cubic root of 1253738303 is about 1078.2901335720.

The spelling of 1253738303 in words is "one billion, two hundred fifty-three million, seven hundred thirty-eight thousand, three hundred three".